Notice: /a/upload.php line 5 - Undefined index: m
Notice: /a/upload.php line 18 - Undefined index: m
Debug Strict (PHP 5): /a/upload.php line 18 - Only variables should be passed by reference
upload.html
<!DOCTYPE html>
<html>
<head>
<title>文件上传</title>
</head>
<body>
<form action="upload.php" method="post" enctype="multipart/form-data">
<input type="hidden" name="MAX_FILE_SIZE" value="10000000">
选择文件:<input type="file" name="m"><br>
<input type="submit" value="上传文件">
</form>
</body>
</html>
upload.php
<?php
$allowtype=array("text","doc","php","html");
$size=1000000;
if($_FILES['m']['error']>0)
{
echo "Error: <br />";
switch ($_FILES['m']['error'])
{
case 1: die('上传文件大小超过php文件约定值');
case 2: die('上传文件大小超过表单约定值');
case 3:die('文件部分上传');
case 4: die('没有上传文件');
default:die('未知错误');
}
}
$hz=array_pop(explode(".",$_FILES['m']['name'] ));
if(!in_array($hz, $allowtype)){
die("该文件后缀不被允许");
}
if ( $_FILES["m"]["error"] >$size){
die('文件大小超过限制');
}
echo "文件{$_FILES['m']['name']}上传成功,文件大小{$_FILES["m"]["error"] }";
